/*
 * Copyright (c) 2013,2019 Sergey Ryazanov <ryazanov.s.a@gmail.com>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef UTILS_H
#define UTILS_H

#include <stdint.h>

static inline int macaddr_is_valid(const uint8_t *mac)
{
	const uint16_t *m = (uint16_t *)mac;

	if ((m[0] | m[1] | m[2]) == 0)	/* Reject empty */
		return 0;
	if (mac[0] & 0x3)		/* Reject broadcast and local */
		return 0;

	return 1;
}

int macaddr_parse(const char *str, uint8_t *out);
void hexdump_print(const void *buf, int len);

#endif	/* UTILS_H */
